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EP 4 490 933 A1

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(43) Date of publication: 15.01.2025 Bulletin 2025/03 (21) Application number: 23721158.6 (22) Date of filing: 07.04.2023

(51) International Patent Classification (IPC):  H04W 12/61(2021.01) H04W 4/02(2018.01) H04L 9/40(2022.01) H04W 12/63(2021.01) H04W 4/80(2018.01) H04W 8/00(2009.01) (52) Cooperative Patent Classification (CPC): H04W 4/80; H04W 4/02; H04W 12/61; H04W 12/63; H04L 63/0442; H04L 63/068; H04W 8/005; H04W 12/50 (86) International application number: PCT/US2023/017975 (87) International publication number: WO 2023/200693 (19.10.2023 Gazette 2023/42)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 12.04.2022 US 202263330221 P 03.06.2022 US 202263348802 P 28.10.2022 US 202218050887 (71) Applicant: Apple Inc. Cupertino CA 95014 (US)	(72) Inventors: DETWILER, Benjamin A. Cupertino, California 95014 (US) LEDVINA, Brent M. Cupertino, California 95014 (US) VICTA, Kenneth U. Cupertino, California 95014 (US) WASADA, Langford M. Cupertino, California 95014 (US) SIERRA, Yannick L. Cupertino, California 95014 (US) (74) Representative: Barton, Russell Glen  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)